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Finding the Fourth Proportional to 7,402.08, 11,105.04 and 3,704.16

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Solution

The fourth proportional to 7,402.08, 11,105.04 and 3,704.16 is: 5,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.08 : 11,105.04 = 3,704.16 : x
  2. Step 2: Convert to fraction form
    7,402.08/11,105.04 = 3,704.16/x
  3. Step 3: Cross multiply
    7,402.08x = 11,105.04 × 3,704.16
  4. Step 4: Simplify right side
    7,402.08x = 41,134,844.97
  5. Step 5: Solve for x
    x = 41,134,844.97/7,402.08
  6. Step 6: Final answer
    x = 5,557.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.